At school, 19 percent of the students wore red shirts on Valentine’s Day. There are sixteen classes in the school with twenty-two students in each class. How many students wore red shirts on Valentine’s Day?

Which expression will have the same sum as 3_8 + 1/4?

What is the next step in the given proof? choose the most logical approach. a. statement: m 1 + m 2 + 2(m 3) = 180° reason: angle addition b. statement: m 1 + m 3 = m 2 + m 3 reason: transitive property of equality c. statement: m 1 = m 2 reason: subtraction property of equality d. statement: m 1 + m 2 = m 2 + m 3 reason: substitution property of equality e. statement: 2(m 1) = m 2 + m 3 reason: substitution property of equality

How many and of which kind of roots does the equation f(x)=x3−x2−x+1